CVE-2012-3553
4.0 · MEDIUMchan_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open Source 10.x before 10.5.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon…
Overview
CVE-2012-3553 is a medium-severity vulnerability affecting digium asterisk. It was published on June 19, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical description
chan_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open Source 10.x before 10.5.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by sending a Station Key Pad Button message and closing a connection in off-hook mode, a related issue to CVE-2012-2948.
Remediation
Check the references section for vendor advisories and patches from digium. Update asterisk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
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Frequently asked questions
What is CVE-2012-3553?
CVE-2012-3553 is a medium-severity vulnerability affecting digium asterisk. It was published on June 19, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
How severe is CVE-2012-3553?
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2012-3553?
Check the references section for vendor advisories and patches from digium. Update asterisk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-3553?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-3553 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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